Oahu, USA: Annual Weather Averages
The wettest month is December with an average of 36mm of rain. .
Average High/Low Temperature: Oahu
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °C | 24 | 24 | 24 | 25 | 26 | 27 | 28 | 28 | 28 | 27 | 26 | 25 |
| Low °C | 17 | 17 | 17 | 18 | 19 | 20 | 20 | 21 | 20 | 20 | 19 | 18 |
| High °F | 75 | 75 | 75 | 77 | 79 | 81 | 82 | 82 | 82 | 81 | 79 | 77 |
| Low °F | 63 | 63 | 63 | 64 | 66 | 68 | 68 | 70 | 68 | 68 | 66 | 64 |
Average Rainfall: Oahu
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 20 | 18 | 32 | 14 | 15 | 10 | 8 | 17 | 11 | 16 | 24 | 36 |
Chance of sunny day: Oahu
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % | 16 | 15 | 12 | 11 | 9 | 8 | 9 | 14 | 16 | 14 | 16 | 19 |
Chance of rain: Oahu
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % | 56 | 55 | 58 | 60 | 50 | 57 | 65 | 55 | 57 | 55 | 56 | 58 |
Chance of windy day: Oahu
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % | 4 | 7 | 6 | 4 | 1 | 2 | 1 | 1 | 1 | 1 | 2 | 3 |
Chance of cloudy day: Oahu
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % | 32 | 31 | 39 | 37 | 33 | 40 | 40 | 34 | 24 | 27 | 29 | 36 |
Chance of fog day: Oahu
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
Chance of snow day: Oahu
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |